Ora Training Blog

Quick Reference: Unix Commands and options The following format is used for commands: Italic indicates a variable that you supply Bold indicates exactly what you type [ ] Square brackets indicate that the thing which they surround is optionally typed. The square brackets themselves are not to be typed. To display a command description from the […]

Special commands and characters: Converting DOS commands to UNIX commands There are a few command line questions that are asked very often. These questions, with answers that should be typed at your shell prompt are printed below: DOS                 UNIX dir …………… ls cls …………… clear del …………… rm copy ………….. cp move / rename ….. […]

Oracle PL/SQL Quick Reference   PL/SQL Block Structure DECLARE –Optional   –Variables, Cursors, User-defined exceptions BEGIN –Mandatory   –SQL statements   –PL/SQL statements EXCEPTION –Optional   –Actions to perform when errors occur END; –Mandatory